Fred,

This issue has been discussed in extreme detail.  Take a look at the
ADSM archives from about four months ago.

http://www.adsm.org

Since this is such a general topic (no specific error messages) try
searching on something like "DLT Magstar AIT 9840 reliability
performance," etc.


--
Joshua S. Bassi
Joshua S. Bassi
Senior Technical Consultant
Symatrix Technology, Inc.
jbassi AT gloryworks DOT com
(503) 702-3371